Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low...

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Three Types of Three Types of Volcanoes Volcanoes

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Transcript of Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low...

Page 1: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Three Types of Three Types of VolcanoesVolcanoes

Page 2: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Shield VolcanoesShield Volcanoes

Low silica levelLow silica level Low viscosity LavaLow viscosity Lava High or low levels of gasHigh or low levels of gas Low to medium explosivityLow to medium explosivity Flattened moundFlattened mound Resembles a warrior’s shieldResembles a warrior’s shield

Page 3: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Mauna Loa, HawaiiMauna Loa, Hawaii

Page 4: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Piton de la FournaisePiton de la Fournaise

Page 5: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Surtsey, FinlandSurtsey, Finland

Page 6: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Composite VolcanoesComposite Volcanoes

High in silicaHigh in silica High viscosity magmaHigh viscosity magma High levels of gasHigh levels of gas Highly explosiveHighly explosive Cone shapedCone shaped Formed by layers of lava and ashFormed by layers of lava and ash

Page 7: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Mt. Rainier, WashingtonMt. Rainier, Washington

Page 8: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Mt. Fuji, JapanMt. Fuji, Japan

Page 9: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Mt. St. Helens, WashingtonMt. St. Helens, Washington

Page 10: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

CinderconesCindercones

Low silica lavaLow silica lava High levels of gasHigh levels of gas ““Fire-fountain” eruptionsFire-fountain” eruptions Commonly found on the flanks of Commonly found on the flanks of

shield volcanoesshield volcanoes Made from a pile of rock piecesMade from a pile of rock pieces Structurally weakStructurally weak

Page 11: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Pu'u ka Pele, HawaiiPu'u ka Pele, Hawaii(on the flanks of Mauna Loa)(on the flanks of Mauna Loa)

Page 12: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

FloreanaFloreana Island, Galapagos Island, Galapagos

Page 13: Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava Low viscosity Lava High or low levels of gas High or low.

Puu OO, HawaiiPuu OO, Hawaii


Volcanoes Eric Pergine Main Menu Types of Volcanoes Cinder Cones Composite Volcanoes Shield Volcanoes Lava Volcanoes Review Question Please follow each.

Volcanoes Eric Pergine Main Menu Types of Volcanoes Cinder Cones Composite Volcanoes Shield Volcanoes Lava Volcanoes Review Question Please follow each.

CQ3: Volcanoes NASA Decadal Survey HyspIRI Mission · 2008. 12. 2. · CQ3: Volcanoes • At some open system volcanoes little lava is erupted. Yet magma must constantly ascend from

CQ3: Volcanoes NASA Decadal Survey HyspIRI Mission · 2008. 12. 2. · CQ3: Volcanoes • At some open system volcanoes little lava is erupted. Yet magma must constantly ascend from

Volcanoes - ausearthed.com.au · Volcanoes • There are two main types of volcano: ―Shield volcanoes ―Composite/ stratovolcanoes. Volcano. Lava type

Volcanoes - ausearthed.com.au · Volcanoes • There are two main types of volcano: ―Shield volcanoes ―Composite/ stratovolcanoes. Volcano. Lava type

Volcanoes of Hawaii and the Planet-v1 · Kupaianaha Lava Lake, Hawai‘i, and the Volcanoes of Io Several eruptions in Hawai‘i have included active lava lakes, including the Kupaianaha

Volcanoes of Hawaii and the Planet-v1 · Kupaianaha Lava Lake, Hawai‘i, and the Volcanoes of Io Several eruptions in Hawai‘i have included active lava lakes, including the Kupaianaha

Volcanoes - Simone Damiano · Volcanoes Key words: cinder cones, pyroclastics, eruption cloud, lava flows, ... Stratovolcanoes or composite volcanoes are tall conical mountains composed

Volcanoes - Simone Damiano · Volcanoes Key words: cinder cones, pyroclastics, eruption cloud, lava flows, ... Stratovolcanoes or composite volcanoes are tall conical mountains composed

Volcanoes. 7.2 Volcanic Eruptions Types of Lava Mafic Lava: rich in magnesium and iron – Forms much of the oceanic crust Felsic Lava: rich in silica (less.

Volcanoes. 7.2 Volcanic Eruptions Types of Lava Mafic Lava: rich in magnesium and iron – Forms much of the oceanic crust Felsic Lava: rich in silica (less.

Introducing Landforms€¦ · Mountains of lava Dried lava can get so tall that it makes a mountain! Some volcanoes erupt every day, and the mountains keep growing. Volcanoes that

Introducing Landforms€¦ · Mountains of lava Dried lava can get so tall that it makes a mountain! Some volcanoes erupt every day, and the mountains keep growing. Volcanoes that

Volcanoes. Volcanic landforms Effusive eruptions (gentle flows, lots of lava) cinder cones shield volcanoes plateau basalts Explosive eruptions (viscous.

Volcanoes. Volcanic landforms Effusive eruptions (gentle flows, lots of lava) cinder cones shield volcanoes plateau basalts Explosive eruptions (viscous.

English through Science VOLCANOES AND LAVA We are going to learn about volcanoes and lave through science.

English through Science VOLCANOES AND LAVA We are going to learn about volcanoes and lave through science.

Volcanoes. Lava Lava: Molten rock outside the earth Magma: Molten rock inside the earth Types of Lava – Aa Rough and Stone Like Looks like angular rocks.

Volcanoes. Lava Lava: Molten rock outside the earth Magma: Molten rock inside the earth Types of Lava – Aa Rough and Stone Like Looks like angular rocks.

Overview of Volcanoes Gentle Eruption = Lava Flows Violent Eruptions = Pyroclastic Flows.

Overview of Volcanoes Gentle Eruption = Lava Flows Violent Eruptions = Pyroclastic Flows.

Volcanoes and Volcanic · PDF file1 Volcanoes and Volcanic Hazards Volcanic Hazards • Effusive Eruptions – Lava Flows • Explosive Eruptions – Pyroclastic flows – Lahars –

Volcanoes and Volcanic · PDF file1 Volcanoes and Volcanic Hazards Volcanic Hazards • Effusive Eruptions – Lava Flows • Explosive Eruptions – Pyroclastic flows – Lahars –

Volcanoes and Volcanic Hazards - soest.hawaii.edu · 1 Volcanoes and Volcanic Hazards Volcanic Hazards • Effusive Eruptions – Lava Flows • Explosive Eruptions – Pyroclastic

Volcanoes and Volcanic Hazards - soest.hawaii.edu · 1 Volcanoes and Volcanic Hazards Volcanic Hazards • Effusive Eruptions – Lava Flows • Explosive Eruptions – Pyroclastic

The Island of Hawai‘i is composed of five coalesced basaltic volcanoes. Lava flows constitute the greatest volcanic hazard from these volcanoes.

The Island of Hawai‘i is composed of five coalesced basaltic volcanoes. Lava flows constitute the greatest volcanic hazard from these volcanoes.

Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava-thinner Low viscosity Lava-thinner High or low levels.

Three Types of Volcanoes. Shield Volcanoes Low silica level Low silica level Low viscosity Lava-thinner Low viscosity Lava-thinner High or low levels.

Mountains, Volcanoes · volcanoes explode. Crater This is where the eruption takes place, it is a large hole surrounding the vent. Lava/Magma Lava is also known as magma, this is

Mountains, Volcanoes · volcanoes explode. Crater This is where the eruption takes place, it is a large hole surrounding the vent. Lava/Magma Lava is also known as magma, this is

VOLCANOES. Lava & Magma Lava vs. Magma…What’s the difference? Lava- magma that flows into Earth’s surface; the rock that forms when magma cools & solidifies.

VOLCANOES. Lava & Magma Lava vs. Magma…What’s the difference? Lava- magma that flows into Earth’s surface; the rock that forms when magma cools & solidifies.

VOLCANOES · 2015. 12. 4. · D. Types of Volcanoes 1. After erupting, volcanoes form cone-like structures above ground from the cooled lava & pyroclastic material 2. crater: funnel-shaped

VOLCANOES · 2015. 12. 4. · D. Types of Volcanoes 1. After erupting, volcanoes form cone-like structures above ground from the cooled lava & pyroclastic material 2. crater: funnel-shaped

Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through.

Volcanoes Mountain composed of EXTRUSIVE IGNEOUS ROCKS DURING ERUPTION: GASES & LAVA –GASES & LAVA escape onto EARTH ’ S SURFACE or ATMOSPHERE -Exit through.

Chapter 9 Planetary Geology - UNLV Physics & Astronomykn/AST103-S12/17_Ch9_Planetary_Geology.pdf · Chapter 9 Planetary Geology ... 26. Lava and Volcanoes Runny lava makes flat lava

Chapter 9 Planetary Geology - UNLV Physics & Astronomykn/AST103-S12/17_Ch9_Planetary_Geology.pdf · Chapter 9 Planetary Geology ... 26. Lava and Volcanoes Runny lava makes flat lava